389964376

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{22147}}^1$

素因数の和:22255

約数の個数: 32

約数和(自身を含む): 765434880

約数和(自身を除く): 375470504

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 2201, 4402, 8804, 17608, 22147, 44294, 88588, 177176, 686557, 1373114, 1572437, 2746228, 3144874, 5492456, 6289748, 12579496, 48745547, 97491094, 194982188, 389964376]

約数ペア:

[(1, 389964376), (2, 194982188), (4, 97491094), (8, 48745547), (31, 12579496), (62, 6289748), (71, 5492456), (124, 3144874), (142, 2746228), (248, 1572437), (284, 1373114), (568, 686557), (2201, 177176), (4402, 88588), (8804, 44294), (17608, 22147)]